X11 problem after migration to Leopard

[snip]
Hmm, I would fire up R on the command line and do something like

Sys.getenv("DISPLAY")
Sys.getenv("PATH")

that way you can figure out what environment variables R is using.  
How they are set is hard to know, but as I said, candidates are (all  
in the HOME directory or perhaps in the directory where you run R)
.profile
.MacOS/.environment.plist
.bashrc
.bash_login
.Rprofile
.Rlib

Having said that, my _guess_ based on the warning messages is that  
you probably have a locale problem (which may or may not be  
connected to whether X11 finds the fonts). I am using the default  
locale (= I have a clean install, uses english as my system language  
and have not touched anything) and I get the following from  
sessionInfo():
locale:
en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
whereas you seem to have something different:
locale:
C/UTF-8/C/C/C/C
I know little about locales, except that they sometime cause  
problems... :)

Another thing you could try to help debug is to run X11 from the  
Aqua GUI.

As you say, I did indeed have a locale problem. I've never had any  
reasons to worry about locale settings before and therefore know  
hardly anything about them, but if I change the locale according to  
Sys.setlocale("LC_CTYPE", "C") plotting works like a charm. However, I  
have to change the locale every time I start a new session. Is there a  
way to permanently change this setting?

Thank you all for your help!

Best regards,

Martin.
Martin,

as per posting guide you have forgotten all of the very important
piece of information - R version and the locale. I cannot reproduce
the problems you describe, so please share with us at least the
output of sessionInfo().

In general, if you want to use X11 on Leopard seriously, you may
want to upgrade it (see http://trac.macosforge.org/projects/
xquartz ), because the version shipped with Leopard is known to be
quite broken.

Cheers,
Simon

On Mar 18, 2008, at 3:11 PM, Martin Eklund wrote:

Hi,

After migrating to Leopard I have problems with X11 when sunning R
from the command line (which I prefer). I acknowledge that this  
most
likely is not an R issue, but I thought that somebody else on this
list might have had the same problem and has a nice solution to
offer...

When trying to plot something in R from the command line (it works
however from the R GUI) I get the following error message:

===========================================
Error in X11() :
could not find any X11 fonts
Check that the Font Path is correct.
In addition: Warning messages:
1: In X11() :
locale not supported by Xlib: some X ops will operate in C locale
2: In X11() : X cannot set locale modifiers
===========================================

So, it seems like R cannot find the fonts. Issuing xset -q in the
terminal generates the following output:

===========================================
Keyboard Control:
auto repeat:  on    key click percent:  0    LED mask:  00000000
auto repeat delay:  660    repeat rate:  25
auto repeating keys:  00ffffffffffff7f
                    00ffffffffffffff
                    ffffffffffffffff
                    ffffffffffffffff
bell percent:  50    bell pitch:  400    bell duration:  100
Pointer Control:
acceleration:  2/1    threshold:  4
Screen Saver:
prefer blanking:  yes    allow exposures:  yes
timeout:  600    cycle:  600
Colors:
default colormap:  0x21    BlackPixel:  0    WhitePixel:  16777215
Font Path:
/usr/X11/lib/X11/fonts/misc/,/usr/X11/lib/X11/fonts/TTF/,/usr/X11/
lib/X11/fonts/OTF,/usr/X11/lib/X11/fonts/Type1/,/usr/X11/lib/X11/
fonts/
100dpi/,/usr/X11/lib/X11/fonts/75dpi/
Bug Mode: compatibility mode is disabled
PMS (Energy Star):
Display is not capable of DPMS
Font cache:
Server does not have the FontCache Extension
===========================================

To me the font path in this output seems correct.

I have disabled all DISPLAY settings that I previously had in
my .bash_profile and my PATH variable is set according to: export
PATH=
$PATH:/usr/local/bin:/Applications:/usr/X11/bin:/usr/X11/lib:.

Any suggestions about how to fix this problem is greatly  
appreciated!

Thank you very much!

Best regards,

Martin.

========================================
Martin Eklund
PhD Student
Department of Pharmaceutical Biosciences
Uppsala University, Sweden
Ph: +46-18-4714281

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========================================
Martin Eklund
PhD Student
Department of Pharmaceutical Biosciences
Uppsala University, Sweden
Ph: +46-18-4714281
========================================

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========================================
Martin Eklund
PhD Student
Department of Pharmaceutical Biosciences
Uppsala University, Sweden
Ph: +46-18-4714281

X11 problem after migration to Leopard

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